The onion crop starts forming a bulb at the stage of 40 to 45 days, in this stage,  Urea 30 kg + Calcium Nitrate 10 kg + Magnesium Sulphate 10 kg, mix all of them together and broadcast evenly one acre. and do light irrigation after the broadcast.

Urea: Urea is the biggest source of nitrogen supply in the crop. By its use, there is no problem with the yellowing and drying of leaves. Urea accelerates the process of photosynthesis.

Calcium nitrate: Increases tuber size and gives better quality produce. Along with this, it fulfils the deficiency of calcium in plants.

Magnesium sulfate: The use of magnesium in onion crops increases greenery and accelerates the process of photosynthesis, ultimately increasing the high yield and quality of the crop. Also, sulfur helps in increasing the odour of onions.

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